Must‑Read for Machine Vision Selection: Hikrobot Industrial Area‑Scan Camera Naming Convention

Friends working on industrial automation and machine‑vision projects have most likely run into pitfalls during camera selection. Staring at strings of alphanumeric model codes, you may get confused about the differences among CE, CA and CH series, and struggle to decide when to use area‑scan versus line‑scan cameras. Even after hours of parameter tweaking, the image quality still fails to meet expectations.

As a leading domestic brand for industrial vision, Hikrobot boasts an extensive camera product line and is the preferred choice for numerous projects. Today we thoroughly break down the selection logic for Hikrobot industrial area‑scan cameras. Covering model naming rules, product positioning, technical comparisons and key parameters, this article walks you through the full selection workflow. Packed with practical insights, it is recommended to bookmark it for later reference.

I. Decipher Model Naming: Grasp Core Camera Specifications in 30 Seconds

Hikrobot industrial camera model numbers are not randomly generated. Each character segment corresponds to a key parameter. Once you master the naming rules, you can quickly figure out the basic product positioning without checking manuals.

A complete model can be split into 8 segments, read from left to right:

Product Category Prefix The leading “MV" is the unified identifier for Hikvision industrial vision product lines. The second character “C" denotes industrial camera. The third character distinguishes camera form‑factor: ‑ A = Area‑scan industrial camera ‑ L = Line‑scan industrial camera

Product Series & Pixel Specification Letters right after the category identifier indicate product grade (A/S/H/E/U, etc.). The following digits directly represent pixel levels: ‑ 003 = 0.3 MP | 013 = 1.3 MP ‑ 030 = 3 MP | 060 = 6 MP

For line‑scan models, digits stand for single‑line resolution: ‑ 020 for 2K, 040 for 4K, 080 for 8K.

Sensor Vendor Identifier Two digits following the pixel segment indicate the original sensor manufacturer. Chips from different vendors feature distinct performance strengths: ‑ 10: Sony sensor, excellent imaging quality, preferred for image‑priority applications ‑ 20: Onsemi sensor, outstanding frame‑rate performance, ideal for high‑speed inspection ‑ 30: Aptina sensor, good cost‑efficiency, widely used in cost‑optimized solutions ‑ 40: Awaiba, dedicated for line‑scan cameras ‑ 50: Sharp, cost‑effective option ‑ 60: Kodak, suited for high‑resolution scenarios

Interface & Color Type Trailing characters define communication interface and imaging color mode: ‑ Interface: G = GigE, U = USB3.0 ‑ Color: M = Monochrome, C = Color

Digits 0‑9 in the middle are reserved for product iterations and sub‑model differentiation.

II. Full‑series Product Positioning: How to Select Based on Budget and Application

Hikrobot industrial cameras cover the full spectrum from entry‑level economical to high‑end precision grades. Each series has clear positioning for different industries and application requirements for targeted selection.

CE Series: Cost‑effective Economy Grade Mainstream entry‑level series with pixel range from 0.3 MP to 20 MP, mostly rolling‑shutter exposure. Featuring industrial‑grade reliability at competitive costs, it fits general‑purpose automated production lines with limited budgets and standard inspection requirements. An optimal choice for large‑scale deployment.

CA Series: Mid‑range General‑purpose Grade Positioned for mid‑to‑high‑end general‑purpose scenarios with dense resolution options to match diverse precision requirements. This series adopts both Sony and Onsemi sensors: Sony variants deliver superior image quality for fine‑detail inspection; Onsemi variants maintain consistent pixel size at identical resolution, enabling field‑of‑view upgrade without adjusting lens working distance, bringing great project flexibility.

CH Series: High‑end Flagship Grade Flagship series developed for high‑precision industries including display panels, semiconductors and new‑energy sectors. Equipped with full‑range interfaces: GigE, USB 3.0, 10GigE, Camera Link, CoaXPress and XoFLink. It meets demanding acquisition requirements for high‑speed, high‑resolution and large‑volume data, making the top pick for sophisticated precision inspection.

CS Series: Standard‑performance Grade Built with high‑quality image sensors delivering high dynamic range and excellent signal‑to‑noise ratio for solid imaging performance. Low‑power consumption, fully compliant with machine‑vision protocols and GenICam standard, enabling seamless integration with third‑party vision software for maximum compatibility.

CU Series: Budget‑friendly Stable Grade Low‑power hardware platform with stable and reliable performance for entry‑level industrial applications. It maintains long‑term industrial‑grade stability while restraining procurement costs, suitable for large‑volume vision‑inspection projects sensitive to expenses with basic requirements.

CL Series: Line‑scan Camera Series Designed for high‑speed continuous‑inspection scenarios, offering single‑line resolution from 2K to 16K and multiple high‑speed data interfaces. Integrated next‑generation ISP and algorithm processing, deeply optimized for continuous‑material inspection such as PCB, LCD panels and metal foils.

III. Area‑scan vs Line‑scan Cameras: How to Choose Between the Two

A frequent question among beginners is when to use area‑scan cameras and when to use line‑scan ones. The core difference lies in sensor structure and imaging logic, which correspond to completely different application scenarios. Below is a full breakdown of their key distinctions.

1. Sensor Structure and Imaging Principle ‑ Line‑scan camera: Its sensor features a single row (or a few rows) of linear photosensitive pixels. It cannot capture a complete frame in one shot. Full images are formed by scanning line‑by‑line and stitching data together through relative movement between the object and the camera, working similarly to a scanner. ‑ Area‑scan camera: It adopts a 2‑D rectangular pixel array. A single exposure captures a complete two‑dimensional image, following the same imaging logic as consumer‑grade cameras.
2. Key Performance Metrics ‑ For line‑scan cameras: Line frequency, meaning the number of lines scanned per second. It must precisely match production‑line speed; otherwise, image stretching or compression will occur. ‑ For area‑scan cameras: Frame rate, referring to the number of full frames captured per second, directly determining dynamic snapshot capability.
3. Resolution and Application Scenarios ‑ Line‑scan camera: The resolution along the moving direction is theoretically unlimited, with high pixel density per line. Ideal for fine‑defect inspection of long, continuously moving workpieces, such as printed materials, textiles, metal foils and PCBs. ‑ Area‑scan camera: Fixed resolution. Its strength lies in capturing the full field of view in one exposure. Suitable for static‑part inspection, QR‑code reading, robot positioning, traffic snapshotting and other instant‑imaging tasks.
4. Deployment Cost and Complexity ‑ Line‑scan cameras require high‑precision motion‑control platforms. Installation and tuning are difficult, leading to higher overall costs, and they are mostly deployed for professional industrial inspection. ‑ Area‑scan cameras feature flexible deployment with plug‑and‑play capability. System setup is simple, with a wide price range covering low‑ to high‑end options.
5. Light‑adaptation Performance ‑ Line‑scan cameras support line‑by‑line exposure adjustment, offering stronger adaptability to dynamic lighting fluctuations. ‑ Area‑scan cameras expose the whole frame uniformly. Local over‑exposure or under‑exposure may appear under uneven‑lighting conditions.

Brief summary: Choose line‑scan cameras for continuously moving long‑shaped workpieces requiring ultra‑high inspection accuracy. Choose area‑scan cameras for static‑object shooting, instant snapshots or full‑field‑of‑view acquisition.

IV. CCD vs CMOS: How to Select Image Sensors

The image sensor forms the core of an industrial camera. CCD and CMOS represent two mainstream photosensitive technologies, and many users struggle to compare their pros and cons.

1. Signal‑reading Mechanism ‑ CCD: Charge signals are transferred bit‑by‑bit under synchronous clock control, requiring clock circuits and multiple power supplies, resulting in complex circuit architecture. ‑ CMOS: Electric‑current signals are generated right after photoelectric conversion and read locally. It features simpler logic and higher chip integration.
2. Reading Speed ‑ CCD outputs data line‑by‑line and bit‑by‑bit, leading to relatively low readout speed. ‑ CMOS supports simultaneous image acquisition and readout together with parallel‑processing capability, delivering far higher speed than CCD.
3. Power Consumption and Power Supply ‑ CCD generally needs multiple power‑supply rails and consumes considerable power. ‑ CMOS operates with a single power supply. Its power consumption is only 1/8‑1/10 of that of CCD with equivalent specifications, delivering prominent energy‑saving benefits.
4. Imaging Quality Traditionally, CCD boasts mature technology with advantages in light transmission, sharpness and color reproduction, while early‑generation CMOS suffered from poor noise suppression. With advances in semiconductor technology, however, high‑end CMOS sensors deliver imaging performance comparable to conventional CCDs and have become the mainstream choice for industrial cameras.
5. Cost Difference CCD entails higher manufacturing costs, translating to more expensive cameras. High integration and low mass‑production costs make CMOS more cost‑effective and drive large‑scale adoption within machine‑vision industry.

V. Core Parameters of Area‑scan Cameras: Understand before Tuning

These indicators are critical for camera selection and parameter adjustment, enabling cameras to deliver optimal performance.

Resolution It stands for the pixel matrix size of the sensor, e.g. 640*480, 2048*1536. Under identical conditions, higher resolution brings richer image details and higher upper limit of inspection accuracy. Note that higher resolution is not always better. It shall match your inspection‑accuracy requirements, field‑of‑view size and backend computing power.

Signal‑to‑Noise Ratio (SNR) The ratio of valid signal to noise signal, measured in dB. Higher SNR means fewer image artifacts, cleaner pictures and better low‑light performance. For low‑light inspection scenarios, SNR weighs more than resolution.

Dynamic Range It measures the camera’s capability to capture both darkest and brightest details simultaneously, measured in dB. Larger dynamic range delivers richer light‑and‑shadow gradations, preserving details in both over‑bright and shadow‑covered areas. It is especially suitable for inspecting workpieces with high light reflection and large illumination contrast.

Gain Amplification coefficient for image signals. Boosting gain brightens images yet amplifies noise and degrades image quality. In practical projects, prioritize optimizing brightness via supplementary lighting and exposure‑time adjustment, and avoid excessive gain as much as possible.

Exposure Time The duration for which the sensor collects light, directly determining light intake. Longer exposure brightens images yet causes motion blur for fast‑moving objects. Shorter exposure freezes motion but darkens frames. Balanced tuning shall be performed according to production‑line speed and lighting conditions.

White Balance Exclusive parameter for color cameras, used to correct color deviation under different light sources and restore real‑world object colors. Three modes are available: auto, manual and one‑shot white balance. Manual white balance is generally recommended for industrial inspection to guarantee batch‑to‑batch consistency.

Shutter Types ‑ Global shutter: All pixels expose simultaneously. No distortion occurs when capturing fast‑moving objects, yet inconsistent frame‑to‑frame brightness may appear under stroboscopic light sources. ‑ Rolling shutter: Pixels expose sequentially line‑by‑line. It costs less and achieves higher frame rates under identical specifications, yet motion smear and deformation occur for fast‑moving subjects, and light‑and‑dark stripes emerge under stroboscopic lighting.

Final Conclusion

Selecting an industrial camera is never about picking the most expensive one, but the most suitable one. Every step — interpreting model codes, matching product series, distinguishing area‑scan/line‑scan cameras, selecting sensor types and tuning parameters — requires comprehensive evaluation combining project‑specific accuracy requirements, inspection speed, budget and on‑site conditions.

Hikrobot’s comprehensive product portfolio covers full‑scenario demands ranging from basic detection to high‑precision sophisticated applications, making it a mainstream option for machine‑vision‑driven smart‑manufacturing upgrades.